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BS 5440-1:2023
M00000118
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BS 5440-1:2023 Chimneys, flue pipes and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases)-Design, installation, commissioning and maintenance of chimneys. Specification
standard byBSI Group , 12/12/2023
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All current amendments available at time of purchase are included with the purchase of this document.